Question

Три тела равной массы подвешены на нитях и погружены в воду.1) На третье тело действует максимальная выталкивающая сила, т.к. оно глубже других.2) На первое тело действует максимальная сила, так как оно наибольшего объёма.3) На все три тела действует одинаковая выталкивающая сила, так как у них равные массы4) На первое тело действует наименьшая выталкивающая сила, так как у него наименьшая плотность.

Answer 1

Правильный ответ 2,потому что по формуле Fархимеда=pgV,то есть чем больше объем,тем больше выталкивающая сила

Answer 2

Understanding the Scenario

Three bodies of equal mass are suspended on strings and submerged in water. Various forces are acting on these bodies based on their depth and volume. Let's analyze each statement and determine the implications of the forces acting on the bodies.

1. On the third body, the maximum buoyant force is acting due to its greater depth. 2. The first body experiences the maximum force because it has the largest volume. 3. All three bodies experience the same buoyant force due to their equal masses. 4. The first body experiences the least buoyant force because it has the lowest density.

Analysis and Response

1. The statement that the third body experiences the maximum buoyant force due to its greater depth is accurate. According to Archimedes' principle, the buoyant force acting on an object is equal to the weight of the fluid displaced by the object. Therefore, the deeper the body is submerged, the greater the buoyant force acting on it.

2. The claim that the first body experiences the maximum force due to its largest volume is incorrect. The buoyant force acting on an object is determined by the volume of the fluid displaced, not the volume of the object itself. Therefore, the volume of the object does not directly determine the buoyant force acting on it.

3. It is true that all three bodies experience the same buoyant force due to their equal masses. According to Archimedes' principle, the buoyant force acting on an object is directly proportional to the mass of the fluid displaced, which is equal to the mass of the object. Therefore, objects of equal mass will experience the same buoyant force when submerged in the same fluid.

4. The statement that the first body experiences the least buoyant force due to its lowest density is accurate. The buoyant force acting on an object is determined by the density of the fluid and the volume of the fluid displaced. Therefore, an object with lower density will experience a lower buoyant force when submerged in the same fluid.

In summary, the depth of submersion affects the buoyant force, not the volume of the object. All three bodies experience the same buoyant force due to their equal masses, and the first body experiences the least buoyant force due to its lowest density.

I hope this analysis clarifies the implications of the forces acting on the submerged bodies! If you have any further questions or need additional information, feel free to ask!